Blar i Fakultet for teknologi, naturvitenskap og maritime fag på dokumenttype "Peer reviewed"

Viser treff 21-40 av 1451

    • A Sensor Fusion Algorithm for Filtering Pyrometer Measurement Noise in the Czochralski Crystallization Process 

      Komperød, Magnus; Bones, John Atle; Lie, Bernt (Journal article; Peer reviewed, 2011)
      The Czochralski (CZ) crystallization process is used to produce monocrystalline silicon for solar cell wafers and electronics. Tight temperature control of the molten silicon is most important for achieving high crystal ...

    • A Simultaneous and Continuous Excitation Method for High-Speed Electrical Impedance Tomography with Reduced Transients and Noise Sensitivity. 

      Dupre, Antoine; Mylvaganam, Kanagasabapath (Journal article; Peer reviewed, 2018)
      This paper presents a concept for soft field tomographic scan of all the projections of electromagnetic waves emanating from an array of electrodes. Instead of the sequential excitation of all pairs of electrodes in the ...

    • A solution method for one-dimensional shallow water equations using flux limiter centered scheme for open Venturi channels 

      Welahettige, Prasanna Kumara Welahetti; Vågsæther, Knut; Lie, Bernt (Journal article; Peer reviewed, 2018)
      The one-dimensional shallow water equations were modified for a Venturi contraction and expansion in a rectangular open channel to achieve more accurate results than with the conventional one-dimensional shallow water ...

    • A spherical-plot solution to linking acceleration metrics with animal performance, state, behaviour and lifestyle 

      Wilson, Rory Paul; Holton, Mark D.; Walker, James S.; Shepard, Emily L. C.; Scantlebury, Mike; Wilson, Vianney L.; Wilson, Gwendoline I.; Tysse, Brenda; Gravenor, Mike; Ciancio, Javier; McNarry, Melitta A.; Mackintosh, Kelly A.; Qasem, Lama; Rosell, Frank; Graf, Patricia Maria; Quintana, Flavio; Gomez-Laich, Agustina; Sala, Juan-Emilio; Mulvenna, Christina C.; Marks, Nicola J.; Jones, Mark W. (Journal article; Peer reviewed, 2016)
      Background: We are increasingly using recording devices with multiple sensors operating at high frequencies to produce large volumes of data which are problematic to interpret. A particularly challenging example comes from ...

    • A Study of Mass Transfer Kinetics of Carbon Dioxide in (Monoethanolamine + Water) by Stirred Cell 

      Ying, Jiru; Eimer, Dag-Arne (Journal article; Peer reviewed, 2013-08-05)
      The gas phase resistance in a stirred cell was investigated to understand and avoid its influence on the measurement of the reaction kinetics. To validate the influence of gas phase resistance and the experimental conditions ...

    • A Study of the Effect of Relative Permeability and Residual Oil Saturation on Oil Recovery 

      Ediriweera, Mahesh Priyankara; Halvorsen, Britt (Journal article; Peer reviewed, 2015-11-25)
      The depletion of oil production and the low recovery rate are the major challenges faced in oil production. Several studies have shown that considerable amount of oil still remains in the reservoir after the well shutdown. ...

    • A test of the dear enemy phenomenon in the Eurasian beaver 

      Rosell, Frank; Bjørkøyli, Tore (Journal article; Peer reviewed, 2002)
      We tested the hypothesis that Eurasian beavers, Castor fiber, display the dear enemy phenomenon; that is, they respond less aggressively to intrusions by their territorial neighbours than intrusions by nonterritorial ...

    • A Variable Depth Search Algorithm for Binary Constraint Satisfaction Problems 

      Bouhmala, Nourddine (Journal article; Peer reviewed, 2015)
      The constraint satisfaction problem (CSP) is a popular used paradigm to model a wide spectrum of optimization problems in artificial intelligence. This paper presents a fast metaheuristic for solving binary constraint ...

    • A Wearable Haptic System for the Health Monitoring of Elderly People in Smart Cities 

      Sanfilippo, Filippo; Pacchierotti, Claudio (Journal article; Peer reviewed, 2018)
      A sensor-fusion wearable health-monitoring system with integrated haptic feedback was previously introduced by our research group. The system's components are the following: a chest-worn device with an embedded controller ...

    • Abrupt high-latitude climate events and decoupled seasonal trends during the Eemian 

      Salonen, J. Sakari; Helmens, Karin F.; Brendryen, Jo; Kuosmanen, Niina; Väliranta, Minna; Goring, Simon; Korpela, Mikko; Kylander, Malin; Philip, Annemarie; Plikk, Anna; Renssen, Hans; Luoto, Miska (Journal article; Peer reviewed, 2018)
      The Eemian (the Last Interglacial; ca. 129–116 thousand years ago) presents a testbed for assessing environmental responses and climate feedbacks under warmer-than-present boundary conditions. However, climate syntheses ...

    • Absorption and Desorption Study of Alkylamine Promoted DEEA Solvents for CO2 Capture 

      Bernhardsen, Ida Mortensen; Perinu, Cristina; Jens, Klaus-Joachim; Pinto, Diego Di Domenico; Knuutila, Hanna K (Journal article; Peer reviewed, 2018)
      Three primary and two secondary mono-alkylamines, and a di-alkylamine (3-(Methylamino)propylamine, MAPA) were investigated in blend with a tertiary amine (2-(Diethylamino)ethanol, DEEA). The aim of the study was to ...

    • Acoustic Characterization of Inhomogenous Layers using Finite Element Method 

      Bolstad, Per Kristian; Manh, Tung; Frijlink, Martijn; Hoff, Lars (Peer reviewed; Journal article, 2021)
      This study presents a finite element approach to estimate acoustic parameters of layers of arbitrary compositions using 2D and 3D models. In this approach the resonance frequency of a layer to be investigated is found by ...

    • Acoustic chemometric prediction of total solids in bioslurry: A full-scale feasibility study for on-line biogas process monitoring 

      Ihunegbo, Felicia Nkem; Madsen, Michael; Esbensen, Kim H.; Holm-Nielsen, Jens Bo; Halstensen, Maths (Journal article; Peer reviewed, 2012)
      Dry matter is an important process control parameter in the bioconversion application field. Acoustic chemometrics, as a Process Analytical Technology (PAT) modality for quantitative characterisation of dry matter in complex ...

    • Acoustic chemometrics for material composition quantification in pneumatic conveying - The critical role of representative reference sampling 

      Wagner, Claas; Ihunegbo, Felicia Nkem; Halstensen, Maths; Esbensen, Kim H. (Journal article; Peer reviewed, 2012)
      Reliable monitoring of pneumatically conveyed particulate materials is critical for online detection and controlling material composition changes in the regimen of Process Analytical Technology (PAT), e.g. as the case ...

    • Acoustic chemometrics for on-line monitoring and end-point determination of fluidised bed drying 

      Ihunegbo, Felicia Nkem; Ratnayake, Chandana; Halstensen, Maths (Journal article; Peer reviewed, 2013-07-02)
      An emerging process analytical technology (PAT) technique, acoustic chemometrics, was applied for monitoring of heated fluidised bed drying process. The feasibility of quantitative on-line monitoring of the drying progress ...

    • Acoustic Impedance Matching of PMN-PT/epoxy 1-3 Composites for Underwater Transducers with Usable Bandwidth Restricted by Electrical Power Factor 

      Røed, Ellen Katrine Sagaas; Andersen, Kenneth Kirkeng; Bring, Martin; Tichy, Frank; Åsjord, Else-Marie; Hoff, Lars (Peer reviewed; Journal article, 2019)
      Volume cost has limited the use of single crystals in underwater applications, butreported performance of PMN-PT sonar transducers now motivates the design of commercial prototypes. This work addresses optimization of the ...

    • Adapting dynamic mathematical models to a pilot anaerobic digestion reactor 

      Haugen, Finn; Bakke, Rune; Lie, Bernt (Journal article; Peer reviewed, 2013)
      A dynamic model has been adapted to a pilot anaerobic reactor fed diarymanure. Both steady-state data from online sensors and laboratory analysis anddynamic operational data from online sensors are used in the model ...

    • Addressing the hypertriton lifetime puzzle with ALICE at the LHC 

      Trogolo, Stefano; Acharya, Shreyasi; Acosta, Fernando T.; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Neelima; Ahammed, Zubayer; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Nystrand, Joakim; Rehman, Attiq Ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Zhou, Zhuo; Arsene, Ionut Cristian; Bätzing, Paul Christoph; Dordic, Olja; Lardeux, Antoine Xavier; Lindal, Svein; Mahmood, Sohail Musa; Malik, Qasim Waheed; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Helstrup, Håvard; Langøy, Rune; Lien, Jørgen; Ahn, Sang Un; Aiola, Salvatore; Akindinov, Alexander; Al-Turany, Mohammad; Alam, Sk Noor; Albuquerque, D. S. D.; Aleksandrov, Dmitry; Alessandro, Bruno; ALICE, Collaboration (Journal article; Peer reviewed, 2019)
      The ALICE Collaboration collected a large data sample of Pb-Pb collisions at in 2015 at the Large Hadron Collider (LHC) and the excellent particle identification (PID) capabilities allow for the detection of rarely produced ...

    • Aerobic and anaerobic speed predicts 800-m running performance in young recreational runners 

      Støren, Øyvind; Helgerud, Jan; Johansen, Jan-Michael; Gjerløw, Lars Erik; Aamlid, Aanund; Støa, Eva Maria (Peer reviewed; Journal article, 2021)
      The main aim was to investigate the impact of maximal aerobic speed (MAS), maximal anaerobic speed (MANS), and time to exhaustion (TTE) at 130% MAS, on 800-m running time performance (800TT). A second aim was to investigate ...

    • Age-related changes in somatic condition and reproduction in the Eurasian beaver: Resource history influences onset of reproductive senescence 

      Campbell, Ruairidh D.; Rosell, Frank; Newman, Chris; Macdonald, David W. (Journal article; Peer reviewed, 2017)
      Using 15 years of data from a stable population of wild Eurasian beavers (Castor fiber), we examine how annual and lifetime access to food resources affect individual age-related changes in reproduction and somatic condition. ...